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Arci, a food technology student, conducted a taste experiment to investigate whether the teenagers’ preference for soda would change if it was colored blue. The variable of interest is ____________. which is in the _______________ level of measurement. The random sample of students was collected as ________________ samples.   The appropriate test procedure to analyze the given data is the ________________. Moreover, the appropriate set of hypotheses to test the given objective is Ho: ______________. and Ha: _______________. The test yield a p-value equal to _________________. This indicates that there is Choose an item. evidence to say that ______

Arci, a food technology student, conducted a taste experiment to investigate whether the teenagers’ preference for soda would change if it was colored blue. The variable of interest is ____________. which is in the _______________ level of measurement. The random sample of students was collected as ________________ samples.   The appropriate test procedure to analyze the given data is the ________________. Moreover, the appropriate set of hypotheses to test the given objective is Ho: ______________. and Ha: _______________. The test yield a p-value equal to _________________. This indicates that there is Choose an item. evidence to say that ______

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Arci, a food technology student, conducted a taste experiment to investigate whether the teenagers’ preference for soda would change if it was colored blue. The variable of interest is ____________. which is in the _______________ level of measurement. The random sample of students was collected as ________________ samples.

 

The appropriate test procedure to analyze the given data is the ________________. Moreover, the appropriate set of hypotheses to test the given objective is Ho: ______________. and Ha: _______________. The test yield a p-value equal to _________________. This indicates that there is Choose an item. evidence to say that _____________________..

 

 

PROBLEM 4: Would you drink blue soda? You know from experience that the smell of food stimulates your appetite. You even say that the flavor of the food tastes different by just smelling it. Did you know that our vision also interacts with the taste of the food? Although sight and taste have separate receptor organs, their close relationship affects how you perceive the flavors of food. Our eyesight triggers our taste buds by initiating a neural response. Did you know that Pepsi used to have blue-colored Cola? Also known as Pepsi Pinas, Pepsi Blue was introduced in the Philippines in 2002. It was PepsiCo's attempt to introduce a non-traditional colored beverage. Unfortunately, this berry-flavored cola was not a successful product and was discontinued a few years later. Arci, a food technology student, wishes to investigate whether teenagers prefer a blue-colored soda. She randomly selected 50 undergraduate students from her university and obtained their consent to participate in a food tasting experiment. For her experiment, she prepared two glasses of soda for each student: a clear-colored soda and the same soda flavor mixed with a blue food coloring. The addition of food coloring is not expected to alter the actual taste of the soda since food coloring is tasteless. The sampled students will first taste the clear-
Transcribed Image Text:PROBLEM 4: Would you drink blue soda? You know from experience that the smell of food stimulates your appetite. You even say that the flavor of the food tastes different by just smelling it. Did you know that our vision also interacts with the taste of the food? Although sight and taste have separate receptor organs, their close relationship affects how you perceive the flavors of food. Our eyesight triggers our taste buds by initiating a neural response. Did you know that Pepsi used to have blue-colored Cola? Also known as Pepsi Pinas, Pepsi Blue was introduced in the Philippines in 2002. It was PepsiCo's attempt to introduce a non-traditional colored beverage. Unfortunately, this berry-flavored cola was not a successful product and was discontinued a few years later. Arci, a food technology student, wishes to investigate whether teenagers prefer a blue-colored soda. She randomly selected 50 undergraduate students from her university and obtained their consent to participate in a food tasting experiment. For her experiment, she prepared two glasses of soda for each student: a clear-colored soda and the same soda flavor mixed with a blue food coloring. The addition of food coloring is not expected to alter the actual taste of the soda since food coloring is tasteless. The sampled students will first taste the clear-
colored soda and then the blue-colored soda after an hour. After each taste test, the students will be asked whether they like the taste of the soda they drank. Consider di = Xblue - Xdlear where Xblue is the number of students who prefer both the clear-colored and blue- colored sodas Xclear is the number of students who prefer the clear-colored soda but not the blue-colored soda. R COMMANDER OUTPUT #4.1 R COMMANDER OUTPUT #4.2 Frequency table: McNemar's Chi-squared test with continuity correction McNemar's chi-squared = 0.69565, df = 1, p-value = 0.4042 Blue Clear Like Dislike Like 16 14 Dislike 11 R COMMANDER OUTPUT #4.3 2-sample test for equality of proportions with continuity correction x-squared = 0.64646, df = 1, p-value = 0.4214 alternative hypothesis: two.sided x-squared = 0.64646, df = 1, p-value = 0.7893 alternative hypothesis: greater x-squared = 0.64646, df = 1, p-value = 0.2107 alternative hypothesis: less
Transcribed Image Text:colored soda and then the blue-colored soda after an hour. After each taste test, the students will be asked whether they like the taste of the soda they drank. Consider di = Xblue - Xdlear where Xblue is the number of students who prefer both the clear-colored and blue- colored sodas Xclear is the number of students who prefer the clear-colored soda but not the blue-colored soda. R COMMANDER OUTPUT #4.1 R COMMANDER OUTPUT #4.2 Frequency table: McNemar's Chi-squared test with continuity correction McNemar's chi-squared = 0.69565, df = 1, p-value = 0.4042 Blue Clear Like Dislike Like 16 14 Dislike 11 R COMMANDER OUTPUT #4.3 2-sample test for equality of proportions with continuity correction x-squared = 0.64646, df = 1, p-value = 0.4214 alternative hypothesis: two.sided x-squared = 0.64646, df = 1, p-value = 0.7893 alternative hypothesis: greater x-squared = 0.64646, df = 1, p-value = 0.2107 alternative hypothesis: less
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